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-rw-r--r--numpy/lib/io.py3
1 files changed, 3 insertions, 0 deletions
diff --git a/numpy/lib/io.py b/numpy/lib/io.py
index d2c55172f..d425eccb5 100644
--- a/numpy/lib/io.py
+++ b/numpy/lib/io.py
@@ -48,6 +48,9 @@ def seek_gzip_factory(f):
def tell(self):
return self.offset
+ if isinstance(f, str):
+ f = gzip.GzipFile(f)
+
f.seek = new.instancemethod(seek, f)
f.tell = new.instancemethod(tell, f)